/**
 * Copyright (c) 2010 Basil Shikin, LegoCamera Project
 * 
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */
package org.legocam.actions;

import java.io.DataOutputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStream;

import org.legocam.Camera;
import org.legocam.CameraConstants;

/**
 * This action is used to save camera settings
 * 
 * @author Basil Shikin
 * 
 */
public class SaveSettings implements Runnable
{
	private final Camera camera;
	private final File file;
	
	public SaveSettings(Camera camera)
	{
		this.camera = camera;

		this.file = new File(CameraConstants.PROPERTIES_FILE);
	}

	public void run()
	{
		OutputStream os = null;
		DataOutputStream dos = null;
		try
		{
			if ( !file.exists() ) file.createNewFile();
			
			os = new FileOutputStream( file );
			dos = new DataOutputStream( os );
			
			store( camera.getSnapshotsLeft(), camera.getFilmSize(), camera.getISO(), camera.isBodyInstalled(), dos);
		}
		catch (Throwable e) {}
		finally
		{
			try
			{
				if ( dos != null )  dos.close();
				if ( os != null )  os.close();
			}
			catch (Throwable e) {}
		}
		
		camera.updateCameraStatus();
	}

	private void store( int snapshotsLeft, int filmSize, int iso, boolean isBodyInstalled, DataOutputStream outputStream) throws IOException
	{
		outputStream.writeInt( snapshotsLeft );
		outputStream.writeInt( filmSize );
		outputStream.writeInt( iso );
		outputStream.writeInt( isBodyInstalled ? 1 : 0  );
	}
}
